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(3bR,5aS,9aS,9bR,11R)-3b,6,6,9a-Tetramethyl-11-(toluene-4-sulfonyl)-3b,4,5,5a,6,7,8,9,9a,9b,10,11-dodecahydro-phenanthro[1,2-b]furan
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(3bS,5aR,9aR,11R)-3b,6,6,9a-Tetramethyl-11-(toluene-4-sulfonyl)-3b,4,5,5a,6,7,8,9,9a,9b,10,11-dodecahydro-phenanthro[1,2-b]furan